| Message ID | 20210225070231.21136-3-chaitanya.kulkarni@wdc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | blktrace: add block trace extension support | expand |
On 2021/02/25 16:03, Chaitanya Kulkarni wrote: > This patch adds new structure similar to struct blk_trace to support > block trace extensions. > > Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> > --- > include/linux/blktrace_api.h | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h > index a083e15df608..6c2654f45ad2 100644 > --- a/include/linux/blktrace_api.h > +++ b/include/linux/blktrace_api.h > @@ -27,6 +27,24 @@ struct blk_trace { > atomic_t dropped; > }; > > +struct blk_trace_ext { > + int trace_state; > + struct rchan *rchan; > + unsigned long __percpu *sequence; > + unsigned char __percpu *msg_data; > + u64 act_mask; > + u32 prio_mask; > + u64 start_lba; > + u64 end_lba; > + u32 pid; > + u32 dev; > + struct dentry *dir; > + struct dentry *dropped_file; > + struct dentry *msg_file; > + struct list_head running_ext_list; > + atomic_t dropped; > +}; A comment describing what this structure is for would be nice. > + > struct blkcg; > > extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); >
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index a083e15df608..6c2654f45ad2 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -27,6 +27,24 @@ struct blk_trace { atomic_t dropped; }; +struct blk_trace_ext { + int trace_state; + struct rchan *rchan; + unsigned long __percpu *sequence; + unsigned char __percpu *msg_data; + u64 act_mask; + u32 prio_mask; + u64 start_lba; + u64 end_lba; + u32 pid; + u32 dev; + struct dentry *dir; + struct dentry *dropped_file; + struct dentry *msg_file; + struct list_head running_ext_list; + atomic_t dropped; +}; + struct blkcg; extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
This patch adds new structure similar to struct blk_trace to support block trace extensions. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> --- include/linux/blktrace_api.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)